<script setup lang="ts">
import { onMounted, onUnmounted, ref } from 'vue'
import AMapLoader from '@amap/amap-jsapi-loader'
import { usePlugin } from '../compositions/usePlugins'
import { addPositons, getNearbyPositions } from '../api/map'

window._AMapSecurityConfig = {
  securityJsCode: 'e04c198ab72411ec8f108b4f65cfa941', // 不建议这么写，不安全。我只是方便演示
}

const map = ref<any>()

let AMaps: any

const distance = ref<number>()

const position = ref<[number, number]>()

const initMap = () => {
  AMapLoader.load({
    key: 'efa469855021380b270d58ba3d87e2d5',
    version: '2.0',
  })
    .then(async (AMap: any) => {
      AMaps = AMap
      map.value = new AMap.Map('container', {
        viewMode: '3D', // 是否为3D地图模式
        zoom: 11, // 初始化地图级别
      })

      const { addGeolocation } = usePlugin(map.value, AMap)
      const pos = await addGeolocation()

      if (!pos) return alert('获取位置失败')
      position.value = [pos.longitude, pos.latitude]
      // 如果disstate不为空，说明已经获取过位置信息不需要再次添加
      if (!distance.value) {
        // 将位置信息添加到redis中
        await addPositons({
          positionName: pos.positionName,
          longitude: pos.longitude,
          latitude: pos.latitude,
        })
      }

      // 获取附近位置信息
      const locationList = await getNearbyPositions({
        longitude: position.value[0],
        latitude: position.value[1],
        radius: distance.value ? distance.value : 1,
      })
      // 添加标记
      locationList.data.forEach((item: any) => {
        const marker = new AMaps.Marker({
          icon: 'https://webapi.amap.com/theme/v1.3/markers/n/mark_b.png',
          position: new AMap.LngLat(item.longitude, item.latitude),
        })
        map.value.add(marker)
      })
    })
    .catch((e: Error) => {
      console.log(e)
    })
}

const search = async () => {
  if (!distance.value) return alert('请输入范围')
  if (!position.value) return alert('请重新获取位置')
  initMap()
}

onMounted(() => {
  initMap()
})

onUnmounted(() => {
  map.value?.destroy()
})
</script>

<template>
  <div class="main">
    <div id="container" class="container"></div>
    <div class="header">
      <div class="search-container">
        <input
          type="text"
          class="search-input"
          placeholder="输入范围(KM)"
          v-model="distance" />
      </div>
      <div class="search-btn" @click="search">
        <img src="../../static/search.png" alt="" />
      </div>
    </div>
  </div>
</template>

<style scoped>
#container {
  width: 100%;
  height: 100vh;
}
* {
  box-sizing: border-box;
}
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px;
}
.search-container {
  position: relative;
  width: 85%;
  max-width: 800px;
  margin: 0 auto;
  z-index: 9999;
}
.search-input {
  width: 100%;
  height: 40px;
  padding: 0 40px 0 20px;
  font-size: 16px;
  border: none;
  outline: none;
  border-radius: 20px;
  background-color: #fff;
  transition: background-color 0.3s ease;
}
.search-btn {
  height: 36px;
  width: 36px;
  border: none;
  outline: none;
  background-color: #0078d4;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: #fff;
  margin-top: 5px;

  img {
    width: 16px;
    height: 16px;
  }
}
.search-input:focus {
  background-color: #e0e0e0;
}
</style>
